File this under: "Strange Lego Creations" A Lego builder decided to create this fully functional "semi-automatic pump-action Lego crossbow that took four blocks in the handle and one in the chamber" -- along with 300 hours of work put in. It's capable of firing a standard Lego brick 20 yards. One potential negative, the crossbow isn't very accurate. Lots more pics after the jump.

One day I was making a simple little elastic gun to shoot Lego blocks and I thought to myself, 'it would be cooler if it had some kind of trigger.' The next thing I knew, I was involved in a competition with my own self